package com.hosa.service.Impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.hosa.domain.entity.LoginUser;
import com.hosa.domain.entity.User;
import com.hosa.mapper.UserMapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.stereotype.Service;

import java.util.Objects;

@Service
public class UserDetailsServiceImpl implements UserDetailsService {
@Autowired
private UserMapper userMapper;
@Override
public UserDetails loadUserByUsername(String username) throws
        UsernameNotFoundException {
//根据用户名查询用户信息
LambdaQueryWrapper<User> queryWrapper = new LambdaQueryWrapper<>();
queryWrapper.eq(User::getUserName,username);
User user = userMapper.selectOne(queryWrapper);
//判断是否查到用户 如果没查到抛出异常
if(Objects.isNull(user)){
throw new RuntimeException("用户不存在");
}
//返回用户信息
// TODO 查询权限信息封装
return new LoginUser(user);
}
}